Updating various static objects to use a standard pattern so that
it is easier to track and cleanup those objects
Bug: 141376165
Change-Id: Ia539cbfa338d544dddad771c5027b6748762768b
Allows us to override only the required methods, instead of providing
a proxy method for everything
Change-Id: I816dcdb2a8d5432496050118ded0f2bbe7122cf7
- We can move the background call to UiThreadHelper, the last sysui flags
and back button alpha to SystemUiProxy (and dedupe values there as well)
Bug: 141886704
Change-Id: I22183608700c6d71355597c7a08eefa19f4381fd